S
M
T
W
T
F
S
27
N/A
28
N/A
29
86°
49°
30
94°
65°
1
92°
68°
2
73°
54°
3
76°
49°
4
N/A
5
78°
46°
6
80°
52°
7
87°
54°
8
80°
50°
9
81°
58°
10
84°
61°
11
81°
64°
12
83°
62°
13
70°
51°
14
69°
51°
15
69°
53°
16
68°
50°
17
70°
50°
18
69°
49°
19
63°
52°
20
65°
53°
21
61°
51°
22
61°
48°
23
68°
49°
24
61°
46°
25
59°
47°
26
69°
47°
27
61°
48°
28
68°
52°
29
70°
52°
30
68°
54°
31
67°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in St. Louis
St. Louis's October 2026 forecast shows daily high temperatures ranging from 59° to 87°, with overnight lows between 46° and 64°. The average high for October is 71° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in St. Louis. See also: November | December | January.
